Synonyms for unreliable

Similarity of adj unreliable

4 senses of unreliable

Sense 1:

undependable, unreliable
fallible (vs. infallible)

Sense 2:

unreliable (vs. reliable), undependable (vs. dependable)
erratic, temperamentaluncertainunsound

Also See: untrustworthy#1, untrusty#1

Sense 3:

treacherous, unreliable
dangerous (vs. safe), unsafe

Sense 4:

unreliable
irresponsible (vs. responsible)